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Stock# 11621a
Description

This rare and important work is the first printed sea chart of the Southeastern Coast of North America, extending from Delaware Bay to Cape Canaveral, published by Sir Robert Dudley. Dudley's Dell Arcano del Mare is one of the rarest and most sought after of all 17th Century Sea Atlases. Engraved by Antonio Francesco Lucini and published in Florence, the work represents a remarkable compilation of the best available information on the various sea coasts of the World, drawn in the sumptuous style of 15th and 16th Century manuscript Portolano Charts, which were then still the most popular means of preparing working charts for mariners. Reaching as far north as Delaware Bay, Virginia and the Carolina Sounds, the map is derived primarily from English maps by John White and John Smith. In the Chesapeake, two English settlements of Lames towne and Newforte are placed opposite one another on the Rio del Re (James River). R: Toppoahamock is the Rappahannock, and the Potomac is correctly shown as a broad river. To the south, the nomenclature is an amalgam of Hondius' map of the Carolinas, early Spanish sources and Dudley's own work. Po.to Reale (Port Royale) and S. Agostino are shown. The map also includes fairly extensive soundings. Offered here in the second state, which includes the the extra Lo 6o at the end of the title. One very minor repaired tear in the upper right margin just reaching the printed image, else a gorgeous example with a fine dark impression.

Reference
Burden 280
Robert Dudley Biography

Robert Dudley (1574-1649) is one of the most intriguing historical figures of the late Elizabethan period. His father, also named Robert and the first Earl of Leicester, was a favorite of Elizabeth I’s. The Earl was a supporter of exploratory expeditions and backed Francis Drake on his circumnavigation (1577-1580) and Martin Frobisher on his 1576 voyage to find the Northwest Passage. Robert the Younger was the illegitimate son of the Earl and Lady Douglas Sheffield, born in 1574.

Dudley attended Christ Church, Oxford, starting in 1587. A year later, at only 14, Dudley stood by his father at Tilbury, witnessing Queen Elizabeth’s famous speech in preparation for resisting the Spanish Armada. His father died in September that year, giving Robert a sizeable inheritance. In 1594, Dudley led an expedition to Guiana, where some of his men explored up the Orinoco River in search of gold.  In 1596, Dudley joined an expedition against Cadiz.

All these experiences left Dudley in favor, and he thought the time was right to establish his legitimacy. In court proceedings from 1603 to 1605, Dudley fought for his right to his father’s titles, but the Star Chamber ruled against him and he had to left England for self-exile in Italy. He settled in Florence, where he designed and built ships and advised Ferdinand I, Grand Duke of Tuscany.

While in Florence, Dudley also compiled all his sailing notes and thoughts on navigation (and those of others including, purportedly, Francis Drake, with whom he sailed in 1596, and Thomas Cavendish, to whom he was related by marriage) into a work called Arcano del Mare, or The Secret of the Sea. He finished the manuscript of the work in 1636 and published the work himself, at age 73, a decade later in 1646-7.

Dudley’s Arcano del Mare (Mystery of the Sea) is one of the most important atlases ever produced and one of the most complex. It is the first sea-atlas of the whole world; the first with all the charts constructed using Mercator's new projection, as corrected by Edward Wright; the first to give magnetic declination; the first to give prevailing winds and currents; the first to expound the advantages of Great Circle Sailing; and the first sea-atlas to be compiled by an Englishman, albeit abroad in Italy. Dudley broke completely with the contemporary style of charts. He showed lines of latitude and longitude and omitted all compass lines. In doing so, his purpose was more intellectual than practical: techniques for determining longitude at sea were not refined until more than two centuries later. The maps are by English and other pilots and it is generally accepted that the work was both scientific and accurate for the time. Dudley used the original charts of Henry Hudson, and for the Pacific Coast of America used Cavendish's observations. When the first edition appeared, Dudley was seventy-three years old. The Arcano del Mare was a monumental and totally original task, the charts, representations of instruments and diagrams all engraved on huge quantities of copper over many years with an exactitude incorporating the minutest detail and printed on the best possible paper.

Antonio Francesco Lucini, the engraver, was born in Florence c. 1610. Before being employed by Sir Robert Dudley, he had already published engraved views of Florence and scenes of the Turkish Wars. Lucini put the stamp of his personality on the finished work as well as did the author; the delicacy and strength of the engraving, the embellishments of the lettering alla cancellaresca, make it a true example of Italian Baroque art. In a printed introductory leaf found in one copy in the British Library, Lucini states that he worked on the plates in seclusion for twelve years in an obscure Tuscan village, using up to no less than 5,000 lbs (2,268 kg) of copper. According to the engraver, the Arcano del Mare took forty years to prepare and twelve to execute.